Engineered wood adhesives and engineered wood therefrom

Abstract

According to various examples of the present disclosure, an engineered wood precursor mixture includes a plurality of wood substrates and a binder reaction mixture present in a range of from 3 parts to 25 parts per 100 parts of the dry weight of the plurality of wood substrates. The binder composition includes an aqueous portion. The aqueous portion includes a carbohydrate-containing component in a range of from 2 wt% to 85 wt% based on a dry weight of the binder reaction mixture. The carbohydrate-containing component includes glucose, fructose, or a mixture thereof. The combined wt% of glucose, fructose, or mixture thereof in the carbohydrate-containing component is at least 60 wt%. The aqueous portion further includes 0.1 wt% to 10 wt% sodium trimetaphosphate based on a dry weight of the binder reaction mixture.

What is claimed is: 
     
         1 . An engineered wood precursor mixture comprising:
 a plurality of wood substrates;   a binder reaction mixture present in a range of from 3 parts to 25 parts per 100 parts of the dry weight of the plurality of wood substrates, the binder composition comprising:
 an aqueous portion comprising:
 a carbohydrate-containing component in a range of from 2 wt% to 85 wt% based on a dry weight of the binder reaction mixture, the carbohydrate-containing component comprising glucose, fructose, or a mixture thereof, and the combined wt% of glucose, fructose, or mixture thereof in the carbohydrate-containing component is at least 60 wt%; 
 a base is present at 1 wt% to 33 wt% of a base based on a dry weight of the binder reaction mixture; and 
 0.1 wt% to 10 wt% sodium trimetaphosphate based on a dry weight of the binder reaction mixture; and 
 
 an at least partially non-dissolved polypeptide-containing component comprising soy flour, in a range of from 20 wt% to 85 wt% based on the dry weight of the binder reaction mixture. 
   
     
     
         2 . The engineered wood precursor mixture of  claim 1 , wherein the carbohydrate-containing component is in a range of from 15 wt% to 65 wt% based on the dry weight of the binder reaction mixture. 
     
     
         3 . (canceled) 
     
     
         4 . (canceled) 
     
     
         5 . The engineered wood precursor mixture of  claim 2 , wherein the total weight percent of glucose and fructose is in the range of 20 wt% to 60 wt% based on dry weight of the binder reaction mixture. 
     
     
         6 . (canceled) 
     
     
         7 . The engineered wood precursor mixture of  claim 1 , wherein the soy flour comprises from 30 wt% to 80 wt% of the dry weight of the binder reaction mixture. 
     
     
         8 - 10 . (canceled) 
     
     
         11 . The engineered wood precursor mixture of  claim 1 , wherein the base is in a range of from 3 wt% to 21 wt% based on the dry weight of the binder reaction mixture. 
     
     
         12 . (canceled) 
     
     
         13 . The engineered wood precursor mixture of  claim 1 , wherein the base comprises NaOH. 
     
     
         14 . (canceled) 
     
     
         15 . (canceled) 
     
     
         16 . The engineered wood precursor mixture of  claim 1 , wherein the pH of the aqueous portion is in a range of from 11 to 14. 
     
     
         17 . (canceled) 
     
     
         18 . The engineered wood precursor mixture of  claim 1 , wherein the carbohydrate-containing component comprises a glucose syrup having a dextrose equivalent (DE) of at least 80. 
     
     
         19 . (canceled) 
     
     
         20 . The engineered wood precursor mixture of  claim 1 , wherein the carbohydrate-containing component comprises a high fructose corn syrup comprising at least 90 wt% fructose and glucose. 
     
     
         21 . The engineered wood precursor mixture of  claim 20 , wherein the high fructose corn syrup comprises at least 94 wt% fructose and glucose. 
     
     
         22 . The engineered wood precursor mixture of  claim 21 , wherein the high fructose corn syrup comprises from 30 wt% to 70 wt% glucose. 
     
     
         23 - 26 . (canceled) 
     
     
         27 . The engineered wood precursor mixture of  claim 1 , wherein the soy flour has a protein dispersibility index (PDI) in a range of from 70 to 95. 
     
     
         28 . (canceled) 
     
     
         29 . (canceled) 
     
     
         30 . The engineered wood precursor mixture of  claim 1 , wherein the plurality of wood substrates comprise one or more strands, one or more particles, one or more fibers, or a mixture thereof. 
     
     
         31 . (canceled) 
     
     
         32 . (canceled) 
     
     
         33 . The engineered wood precursor mixture of  claim 1 , further comprising sodium sulfite, sodium bisulfite, sodium metabisulfite, or a mixture thereof. 
     
     
         34 . (canceled) 
     
     
         35 . The engineered wood precursor mixture of  claim 1 , wherein the binder reaction mixture present in a range of from 8 parts to 17 parts per 100 parts of the dry weight of the plurality of wood substrates. 
     
     
         36 . (canceled) 
     
     
         37 . The engineered wood precursor mixture of  claim 1 , wherein a moisture content of the engineered wood precursor mixture is in a range of from 9% to 13%. 
     
     
         38 . The engineered wood precursor of  claim 1 , wherein the sodium trimetaphosphate is in a range of from 0.4 wt% to 0.9 wt% based on the dry weight of the binder reaction mixture. 
     
     
         39 . (canceled) 
     
     
         40 . (canceled) 
     
     
         41 . An engineered wood comprising a reaction product of the engineered wood precursor of  claim 1 . 
     
     
         42 . The engineered wood of  claim 41 , wherein the engineered wood comprises particle board, medium density fiber board, high density fiberboard, oriented strand board, engineered wood flooring, and combinations thereof. 
     
     
         43 - 57 . (canceled) 
     
     
         58 . The engineered wood precursor mixture of  claim 1 , further comprising a swell-retardant agent. 
     
     
         59 - 139 . (canceled)